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Finding the Fourth Proportional to 300,113.79, 450,297.04 and 131,547.12

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Solution

The fourth proportional to 300,113.79, 450,297.04 and 131,547.12 is: 197,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,113.79 : 450,297.04 = 131,547.12 : x
  2. Step 2: Convert to fraction form
    300,113.79/450,297.04 = 131,547.12/x
  3. Step 3: Cross multiply
    300,113.79x = 450,297.04 × 131,547.12
  4. Step 4: Simplify right side
    300,113.79x = 59,235,279,085.39
  5. Step 5: Solve for x
    x = 59,235,279,085.39/300,113.79
  6. Step 6: Final answer
    x = 197,376.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.